35 lines
1.2 KiB
Lua
35 lines
1.2 KiB
Lua
-- garage_door_opener.lua
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-- Part of nodemcu-httpserver, example.
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-- Author: Marcos Kirsch
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local function pushTheButton(connection, pin)
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-- push the button!
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-- Note that the relays connected to the garage door opener are wired
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-- to close when the GPIO pin is low. This way they don't activate when
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-- the chip is reset and the GPIO pins are in input mode.
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gpio.write(pin, gpio.LOW)
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gpio.mode(pin, gpio.OUTPUT)
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gpio.write(pin, gpio.LOW)
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tmr.delay(300000) -- in microseconds
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gpio.write(pin, gpio.HIGH)
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gpio.mode(pin, gpio.INPUT)
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-- Send back JSON response.
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connection:send("HTTP/1.0 200 OK\r\nContent-Type: application/json\r\nCache-Control: private, no-store\r\n\r\n")
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coroutine.yield()
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connection:send('{"error":0, "message":"OK"}')
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end
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return function (connection, args)
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print('Garage door button was pressed!', args.door)
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if args.door == "1" then pushTheButton(connection, 1) -- GPIO1
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elseif args.door == "2" then pushTheButton(connection, 2) -- GPIO2
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else
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connection:send("HTTP/1.0 400 OK\r\nContent-Type: application/json\r\nCache-Control: private, no-store\r\n\r\n")
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coroutine.yield()
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connection:send('{"error":-1, "message":"Bad door"}')
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end
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end
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